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Mobile electronic device

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Title: Mobile electronic device.
Abstract: According to an aspect, a mobile electronic includes a first display unit, a second display unit, an input unit, and a control unit. The first display unit displays a first image. The second display unit displays a second image. To the input unit, an instruction is input. The control unit causes the second display unit to display the first image, as the second image, when a first period of time has passed since the first image is displayed by the first display unit. ...


Browse recent Kyocera Corporation patents - Koyoto, JP
Inventor: Takafumi Oka
USPTO Applicaton #: #20120105317 - Class: 345156 (USPTO) - 05/03/12 - Class 345 


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The Patent Description & Claims data below is from USPTO Patent Application 20120105317, Mobile electronic device.

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CROSS-REFERENCE TO RELATED APPLICATION

This application is a National Stage of PCT international application Ser. No. PCT/JP2010/061594 filed on Jul. 8, 2010 and which is based upon and claims the benefit of priority from Japanese Patent Application No. 2009-161742, filed on Jul. 8, 2009.

FIELD

The present invention relates to a mobile electronic device provided with at least two display untis.

BACKGROUND

As a conventional device for displaying an image on a screen or on a wall surface, so-called monitor and projector are used. A mobile type compact in size and easy to carry is proposed as such monitor and projector.

In Patent Literature 1, a display mode of video information having degrees of reproduction permission for a plurality of observers is determined based on input personal information for each of the observers and viewing restriction information added to digital video contents. The video information is decoded by a decoder according to the display mode, and the decoded video information is displayed according to the display mode in a mutually independent manner, for each viewpoint of the observers who view the video information from different positions via an image display unit and a local video information output unit. Patent Literature 2 also describes a device that determines whether an output is permitted based on information of contents and information of an operator.

CITATION LIST Patent Literature

Patent Literature 1: Japanese Patent Application Laid-open No. 2006-319819

Patent Literature 2: Japanese Patent Application Laid-open No. 2009-17013

TECHNICAL PROBLEM

The methods described in Patent Literature 1 and Patent Literature 2 require previous preparation for information for still images or moving images to be projected, and information for the observers who views images, and therefore these methods lack convenience. Besides, if the operator does not perform any setting on the images, some of the images may be projected.

For the foregoing reasons, there is a need for a mobile electronic device which allows the operator to previously check an image to be displayed.

SUMMARY

According to an aspect, a mobile electronic includes a first display unit, a second display unit, an input unit, and a control unit. The first display unit displays a first image. The second display unit displays a second image. To the input unit, an instruction is input. The control unit causes the second display unit to display the first image, as the second image, when a first period of time has passed since the first image is displayed by the first display unit.

ADVANTAGEOUS EFFECTS OF INVENTION

The mobile electronic device according to the present invention has such advantageous effects that an operator can previously check images to be displayed and prevent an unintended image from being displayed, so that an adequate image can be displayed.

BRIEF DESCRIPTION OF DRAWINGS

FIG. 1 is a perspective view illustrating a schematic configuration of one embodiment of a mobile electronic device.

FIG. 2 is a block diagram illustrating a schematic configuration of the mobile electronic device as illustrated in FIG. 1.

FIG. 3 is an explanatory diagram illustrating a state in which an image is displayed by the mobile electronic device as illustrated in FIG. 1.

FIG. 4 is a flowchart illustrating one example of an operation of the mobile electronic device.

FIG. 5 is an explanatory diagram illustrating one example of images displayed on a display unit of the mobile electronic device and images projected by a projector thereof.

FIG. 6 is an explanatory diagram illustrating another example of images displayed on the display unit of the mobile electronic device and images projected by the projector thereof.

FIG. 7 is an explanatory diagram illustrating another example of images displayed on the display unit of the mobile electronic device and images projected by the projector thereof.

FIG. 8 is an explanatory diagram illustrating another example of images displayed on the display unit of the mobile electronic device and images projected by the projector thereof.

FIG. 9 is an explanatory diagram illustrating a state in which images are displayed by the mobile electronic device.

DESCRIPTION OF EMBODIMENTS

The present invention will be explained in detail below with reference to the drawings. It should be noted that the present invention is not limited by the following explanation. Besides, the components explained in the following include those that can be easily thought of by persons skilled in the art, substantially equivalents, and those in a scope of so-called equivalents. A mobile phone will be explained hereinafter as an example of the mobile electronic device, however, a target to which the present invention is applied is not limited to the mobile phones. Therefore, the present invention can also be applied to devices provided with at least two display units, such as PHSs (Personal Handyphone Systems), PDAs, portable navigation devices, portable personal computers, and gaming devices.

First, an external configuration of the mobile electronic device is explained. FIG. 1 is a perspective view illustrating a schematic configuration of one embodiment of a mobile electronic device. A mobile electronic device 10 is a mobile phone provided with a wireless communication function. The mobile electronic device 10 is a straight shaped mobile phone with units stored inside of one box-shaped housing 11. In the present embodiment, the housing 11 is formed to a box shape, however, the housing may be formed with two members coupled to each other by a hinge and thereby be foldable, or the housing may be configured to have two members which are slidable. A housing connected with three or more members can also be used.

The housing 11 is provided with a display 12 as a display unit illustrated in FIG. 1. The display 12 displays a predetermined image such as a standby image when the mobile electronic device 10 is in a reception standby state and a menu image used to help operation of the mobile electronic device 10.

The housing 11 is provided with a plurality of operation keys 13 used to enter a telephone number of an intended party or to enter text when mail is composed. The operation keys 13 form an operating unit 28 of the mobile electronic device 10. The housing 11 is also provided with a microphone 15 that receives a sound during talking on the mobile electronic device 10, and with a receiver 16 that emits sound during talking on the mobile electronic device 10.

A light emitting portion 34a of a projector 34 for projecting an image is provided on a top face of the housing 11 (one side of the top face meets a short side of a face where the operation keys 13 are provided).

FIG. 2 is a block diagram illustrating a schematic configuration of functions of the mobile electronic device as illustrated in FIG. 1. The mobile electronic device 10 as illustrated in FIG. 2 includes a control unit 22, a storage unit 24, a transmitter/receiver 26, the operating unit 28, a sound processor 30, the display unit 32, and the projector 34. The mobile electronic device 10 also includes, in addition to the receiver 16, a speaker 17 and an earphone output unit 18 as portions for outputting sound. The speaker 17 directly outputs sound, and the earphone output unit 18 causes sound to be output from an earphone connected to the earphone output unit 18.

The control unit 22 is a processor such as a CPU (Central Processing Unit) that integrally controls an overall operation of the mobile electronic device 10. That is, the control unit 22 controls the operations of the transmitter/receiver 26, the sound processor 30, the display unit 32, and the like so that the various processes of the mobile electronic device 10 are executed in an appropriate sequence according to the operation of the operating unit 28 and software stored in the storage unit 24 of the mobile electronic device 10. The various processes of the mobile electronic device 10 include, for example, voice phone conversation performed through a line switching network, composition and transmission/reception of e-mail, and browsing of a Web (World Wide Web) site on the Internet. The operations of the transmitter/receiver 26, the sound processor 30, and the display unit 32 or the like include, for example, signal transmission/reception by the transmitter/receiver 26, sound input/output by the sound processor 30, and display of an image by the display unit 32.

The control unit 22 executes processes based on programs (e.g., operating system program and application programs) stored in the storage unit 24. The control unit 22 is formed with, for example, a MPU (Micro Processor Unit), and executes the various processes of the mobile electronic device 10 according to the sequence instructed by the software. That is, the control unit 22 sequentially loads operation codes from the operating system program and the application programs stored in the storage unit 24, and executes the processes.

The control unit 22 has a function of executing a plurality of application programs. Example of the application program executed by the control unit 22 includes a plurality of application programs such as an application program for controlling the drive of the projector, an image reproduction application program for reproducing still images and moving images, and game application programs for activating various games.

The storage unit 24 stores therein software and data used for the processes performed by the control unit 22, and stores therein a task for activating the application program that controls the drive of the projector, a task for activating the image reproduction application program that reproduces still images and moving images, and a task for activating various game application programs.

The storage unit 24 stores therein, in addition to these tasks, for example, sound data downloaded or through communication, software used by the control unit 22 for controlling the storage unit 24, and address book data for storing and managing telephone numbers and mail addresses of communication opposite parties, a sound file of a dial tone, a ring tone, and so on, and temporary data used for processing processes of software. The computer programs and the temporary data used for the processing processes of the software are temporarily stored in a work area allocated to the storage unit 24 by the control unit 22. The storage unit 24 is formed with, for example, a nonvolatile storage device (e.g., nonvolatile semiconductor memory such as ROM: Read Only Memory, and a hard disk drive), and a readable/writable storage device (e.g., SRAM: Static Random Access Memory, and DRAM: Dynamic Random Access Memory).

The transmitter/receiver 26 includes an antenna 26a, and establishes a wireless signal path based on CDMA system with a base station through a channel allocated by the base station to perform telephone communication and information communication with the base station.

The operating unit 28 is formed with the operation keys 13 such as Power key, Talk key, Numeric keys, Character keys, Direction keys, OK key, and Send key to which various functions are allocated respectively. When these keys are used to enter information through the operation by the operator, the operating unit 28 emits a signal corresponding to the content of the operation. The emitted signal is input to the control unit 22 as an instruction of the operator.

The sound processor 30 executes processes of a sound signal input to the microphone 15 and a sound signal output from the receiver 16, the speaker 17, and the earphone output unit 18. That is, the sound processor 30 amplifies the sound input through the microphone 15, subjects the sound to AD conversion (Analog to Digital conversion), then further subjects the sound to signal processing such as encoding, converts the encoded sound to digital sound data, and outputs the digital sound data to the control unit 22. Moreover, the sound processor 30 decodes the sound data sent from the control unit 22, subjects the decoded data to DA conversion (Digital to Analog conversion), subjects the converted data to processes such as amplification, to be converted to an analog sound signal, and outputs the analog sound signal to at least one of the receiver 16, the speaker 17, and the earphone output unit 18.

The display unit 32 is provided with a display panel (such as the display 12) formed with a LCD (Liquid Crystal Display), an organic EL (Organic Electro-Luminescence) panel, or the like, and displays a video image according to video data supplied from the control unit 22 and an image according to image data on the display panel. The display unit 32 may be provided with, for example, in addition to the display 12, a sub-display.

The projector 34 is an image projection system for projecting an image, and, as explained above, is provided with the light emitting portion 34a, on the top face of the housing 11, for projecting an image. FIG. 3 is an explanatory diagram illustrating a state in which an image is displayed by the mobile electronic device as illustrated in FIG. 1. The mobile electronic device 10 projects an image from the light emitting portion 34a of the projector 34. In other words, by emitting the light forming the image, as illustrated in FIG. 3, an image can be projected to a given area (projection area) of a wall surface or a screen on a plane opposite to the top face of the housing 11. The operation of projector 34 is controlled by the control unit 22, so that various video images, such as films and presentation materials sent from the control unit 22, are projected and displayed on the projection area.

The projector 34 includes a light source and an optical system that switches whether the light emitted from the light source is projected, according to the image data. For example, as the projector 34, a projector configured with a halogen light, an LED light source, or an LD light source as the light source and with an LCD (Liquid Crystal Display) or a DMD (Digital Micro-mirror Device) as the optical system can be used. In this case, the optical system is provided over the whole area of the projection area corresponding to pixels, and the optical system is turned on or off by synchronizing the light emitted from the light source with the image, so that the image can be projected over the whole area of the projection area. As the projector 34, a projector configured with laser light that is used as a light source and with an optical system that includes a switching element for switching whether the light emitted from the light source is caused to pass through the switching element and a mirror for subjecting the light having passed through the switching element to raster scanning can also be used. In this case, by changing an angle of the light emitted from the laser light using the mirror and scanning the light irradiated from the light source over the whole area of the projection area, the image can be projected to the projection area. It should be noted that sound is output from the receiver 16, and the speaker 17 and the earphone output unit 18 which are separately provided. The mobile electronic device 10 is basically configured in the above manner.

Next, operations of image display and projection of the mobile electronic device 10, specifically, the processing operation by the control unit 22 and images displayed on the display unit 32 and by the projector 34 will be explained with reference to FIG. 4 to FIG. 6. FIG. 4 is a flowchart illustrating one example of the operation of the mobile electronic device. FIG. 5 is an explanatory diagram illustrating one example of images displayed on the display unit of the mobile electronic device and images projected by the projector thereof, and FIG. 6 is an explanatory diagram illustrating another example of images displayed on the display unit of the mobile electronic device and images projected by the projector thereof.

Here, the examples illustrated in FIG. 4 and FIG. 5 are explained as a case where a plurality of still images are sequentially displayed, that is, a case of a display of images as a slide show. First, when an instruction to cause the projector 34 to display an image is input by the operator, the control unit 22 reads the task for activating the application program that controls the drive of the projector 34 and the task for controlling the operations of the display unit 32 and the projector 34 from the storage unit 24, and activates the application program for controlling the drive of the projector 34 and the application program for controlling the operations of the display unit 32 and the projector 34. The control unit 22 performs various processes by the activated application programs.

The control unit 22 causes the display unit 32 to display an image to be projected next, at Step S12. Specifically, the control unit 22 acquires image information from the storage unit 24 or from the outside, decodes the acquired image information to generate an image signal, and causes the display unit 32 to display the image on the display 12 thereof. After the display of the image on the display unit 32 at Step S12, the control unit 22 encodes the image information displayed on the display unit to store in the storage unit 24, at Step S14. That is, the control unit 22 stores the displayed information and information of the image in the storage unit 24.

After string the image information at Step S14, the control unit 22 determines whether a skip instruction has been input by a user (operator), at Step S16. The skip instruction is an instruction to determine that the image currently displayed on the display unit 32 is not projected by the projector 34, and is input by the operator\'s predetermined operation on the operation keys 13 (for example, pressing of a key allocated with the skip instruction). When it is determined at Step S16 that the skip instruction has been input by the user (Yes), the control unit 22 proceeds to Step S22.



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Previous Patent Application:
Method and system for inputting information using ultrasonic signals
Next Patent Application:
Projection device having display control function and method thereof
Industry Class:
Computer graphics processing, operator interface processing, and selective visual display systems
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stats Patent Info
Application #
US 20120105317 A1
Publish Date
05/03/2012
Document #
13381174
File Date
07/08/2010
USPTO Class
345156
Other USPTO Classes
345/11
International Class
09G5/00
Drawings
10



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